#include<stdio.h>
int main()
{
    int arr1[4]={1,2,3,4};
    int arr2[4]={2,3,4,5};
    int arr3[4]={3,4,5,6};
    int*arr4[3]={arr1,arr2,arr3};
    for(int i = 0;i<3;i++)
    {
        int j = 0;
        for(j = 0; j<4;j++)
        {
            printf("%d ",arr4[i][j]);
        }
        printf("\n");
    }
    return 0;
}